Airspeed ETS (I2C). Driver for the EagleTree Systems Airspeed Sensor. Has only been tested with V3 of the sensor hardware. Notes: Connect directly to TWOG/Tiny I2C port. Multiple sensors can be chained together. Sensor should be in the proprietary mode (default) and not in 3rd party mode. Sensor module wire assignments: - Red wire: 5V - White wire: Ground - Yellow wire: SDA - Brown wire: SCL